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An inflammatory cytokine is a type of cytokine (a signaling molecule) that is secreted from immune cells and certain other cell types that promotes inflammation. Inflammatory cytokines are predominantly produced by T helper cells ( T h ) and macrophages and involved in the upregulation of inflammatory reactions. [ 1 ]
IL-18 is known as a factor that induces the production of interferon gamma (IFN-γ). [29] It is a pro-inflammatory cytokine that shares similar biological effects to IL-12 and structural forms with the IL-1 family. Together with IL-12 it mediates cellular immunity. It binds to the IL-18Rα receptor.
Interleukin 6 (IL-6) is an interleukin that acts as both a pro-inflammatory cytokine and an anti-inflammatory myokine. In humans, it is encoded by the IL6 gene. [5] In addition, osteoblasts secrete IL-6 to stimulate osteoclast formation. Smooth muscle cells in the tunica media of many blood vessels also produce IL-6 as a pro-inflammatory cytokine.
Cytokines also play a role in anti-inflammatory pathways and are a possible therapeutic treatment for pathological pain from inflammation or peripheral nerve injury. [22] There are both pro-inflammatory and anti-inflammatory cytokines that regulate this [clarification needed] pathway.
IL-25 induces the production of other cytokines, including IL-4, IL-5 and IL-13 in multiple tissues, which stimulate the expansion of eosinophils. This cytokine is an important molecule controlling immunity of the gut [16] and has been implicated in chronic inflammation associated with the gastrointestinal tract. IL-25 can kill some types of ...
Interleukin 16 is a pro-inflammatory pleiotropic cytokine. Its precursor, pro-interleukin-16 is a protein that in humans is encoded by the IL16 gene . [ 5 ] [ 6 ] This gene was discovered in 1982 at Boston University by Dr. David Center and Dr. William Cruikshank.
This classification is not strict; for example, CCL20 can act also as pro-inflammatory chemokine. [5] Inflammatory: these are formed under pathological conditions (on pro-inflammatory stimuli, such as IL-1, TNF-alpha, LPS, or viruses) and actively participate in the inflammatory response attracting immune cells to the site of inflammation.
Interleukin 17 family (IL17 family) is a family of pro-inflammatory cystine knot cytokines. [2] They are produced by a group of T helper cell known as T helper 17 cell in response to their stimulation with IL-23. Originally, Th17 was identified in 1993 by Rouvier et al. who isolated IL17A transcript from a rodent T-cell hybridoma. [3]